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/
logger.go
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/
logger.go
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// Copyright 2017 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package test provides utilities for testing the //pkg/aspect code.
package test
import (
"errors"
"istio.io/mixer/pkg/adapter"
"istio.io/mixer/pkg/config"
)
// Logger is a test struct that implements the application-logs and access-logs aspects.
type Logger struct {
adapter.AccessLogsBuilder
adapter.ApplicationLogsBuilder
DefaultCfg config.AspectParams
EntryCount int
Logs []adapter.LogEntry
AccessLogs []adapter.LogEntry
ErrOnNewAspect bool
ErrOnLog bool
Closed bool
}
// NewApplicationLogsAspect returns a new instance of the Logger aspect.
func (t *Logger) NewApplicationLogsAspect(adapter.Env, adapter.Config) (adapter.ApplicationLogsAspect, error) {
if t.ErrOnNewAspect {
return nil, errors.New("new aspect error")
}
return t, nil
}
// NewAccessLogsAspect returns a new instance of the accessLogger aspect.
func (t *Logger) NewAccessLogsAspect(adapter.Env, adapter.Config) (adapter.AccessLogsAspect, error) {
if t.ErrOnNewAspect {
return nil, errors.New("new aspect error")
}
return t, nil
}
// Name returns the official name of this builder.
func (t *Logger) Name() string { return "testLogger" }
// Description returns a user-friendly description of this builder.
func (t *Logger) Description() string { return "A test logger" }
// DefaultConfig returns a default configuration struct for this adapter.
func (t *Logger) DefaultConfig() adapter.Config { return t.DefaultCfg }
// ValidateConfig determines whether the given configuration meets all correctness requirements.
func (t *Logger) ValidateConfig(c adapter.Config) (ce *adapter.ConfigErrors) { return nil }
// Log simulates processing a batch of log entries.
func (t *Logger) Log(l []adapter.LogEntry) error {
if t.ErrOnLog {
return errors.New("log error")
}
t.EntryCount += len(l)
t.Logs = append(t.Logs, l...)
return nil
}
// LogAccess simulates processing a batch of access log entries.
func (t *Logger) LogAccess(l []adapter.LogEntry) error {
if t.ErrOnLog {
return errors.New("log access error")
}
t.EntryCount += len(l)
t.AccessLogs = append(t.AccessLogs, l...)
return nil
}
// Close marks the logger as being closed.
func (t *Logger) Close() error {
t.Closed = true
return nil
}